When you find the Navi navigation and WiFi tethering, how many did you have in what should worry any menu of the phone. If you install the "Navi X1 Sound Link" app, you can easily configure X1 Navi navigation and WiFi tethering.Experience the "Navi X1 Sound Link" and smart card life.

※ In addition to the above-described case of some international phone smartphone (Xiao Mi, Huawei, etc.), sound may not be compatible with the app link.Those having difficulty, we will get back to you, please let me know the make and model reviews.